MNsure is releasing some tips they hope will help frustrated Minnesotans troubleshoot through its health insurance marketplace website. John Schadl, spokesman for MNsure, says they have gathered several common questions that operators at their call center are asked daily. The original deadline for enrollment was Monday, Dec. 23, but that deadline was extended to Dec. 31 after complaints of ongoing challenges that people faced while trying to enroll under the new federal health care law.